500SL (129.067) V8-5.0L (119.972) (1993)
Timing Chain Tensioner: Service and Repair
Removing and Installing Tensioning Rail
Preparation
Right camshaft adjuster unit removed. See: Variable Valve Timing/Variable Valve Timing Actuator/Service and Repair
Belt pulley/vibration damper removed. See: Cylinder Block Assembly/Harmonic Balancer - Crankshaft Pulley/Service and Repair
Procedure
-
Unscrew screw plug (35) with seal (36), screw on
Tighten to: 10 Nm.
Installation Note: Replace seal (36) according to condition.
-
Pull off tensioning rail pin (2) with impact extractor (02) and threaded insert (03), special tools 116 589 20 33 00 and
116 589 02 34 00.
-
Pull tensioning rail (3) out of chain housing, insert.
-
Push in tensioning rail pin (2).
NOTE: Insertion size: pin to sealing ring contact (timing case cover), maintain 10 mm.